看有人說東亞歷史研究三大天坑，宋官制、明財政、清旗務。
呃……不知不覺之間就掉進去了。 https://twitter.com/Chillylin/status/1542080964997746688
https://t.me/private_channel_c14370a/4827
QOTO: Question Others to Teach Ourselves An inclusive, Academic Freedom, instance All cultures welcome. Hate speech and harassment strictly forbidden.
